Finding the Fourth Proportional to 472,884.93, 651,818.69 and 319,867.23
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Solution
The fourth proportional to 472,884.93, 651,818.69 and 319,867.23 is: 440,900.99
Step by Step Solution
- Step 1: Write the proportion equation
472,884.93 : 651,818.69 = 319,867.23 : x - Step 2: Convert to fraction form
472,884.93/651,818.69 = 319,867.23/x - Step 3: Cross multiply
472,884.93x = 651,818.69 × 319,867.23 - Step 4: Simplify right side
472,884.93x = 208,495,433,974.10 - Step 5: Solve for x
x = 208,495,433,974.10/472,884.93 - Step 6: Final answer
x = 440,900.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.